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Finding the Fourth Proportional to 166,665.60, 250,049.60 and 131,619.20

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Solution

The fourth proportional to 166,665.60, 250,049.60 and 131,619.20 is: 197,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,665.60 : 250,049.60 = 131,619.20 : x
  2. Step 2: Convert to fraction form
    166,665.60/250,049.60 = 131,619.20/x
  3. Step 3: Cross multiply
    166,665.60x = 250,049.60 × 131,619.20
  4. Step 4: Simplify right side
    166,665.60x = 32,911,328,312.32
  5. Step 5: Solve for x
    x = 32,911,328,312.32/166,665.60
  6. Step 6: Final answer
    x = 197,469.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.